There's a new Air Force One on the way, and it's about time. The beat-up pair of modified 747s that have been hauling the world's most powerful passenger for 25 years are reaching the end of their useful lifespans, and are set to be replaced. The presidential planes are renowned for the tech specs of their interior cabins, which allow a globe-trotting commander-in-chief to run the country, and even manage a war, virtually the same way he would in the White House.